change to input_iterator_archetype to add a type parameter for the

base class of the reference type. Needed this, for example, to get
the concept covering test for std::count right.


[SVN r30287]

libs/concept_check

@@ -1 +1 @@
-Subproject commit 166e3207b75d938765c7d03d4307b7bf83cabfd5
+Subproject commit ce3fb4f6405202ede427815672898c97b095f3ad